EP1423611A4 - Fully-controlled, free-piston engine - Google Patents

Fully-controlled, free-piston engine

Info

Publication number
EP1423611A4
EP1423611A4 EP02775701A EP02775701A EP1423611A4 EP 1423611 A4 EP1423611 A4 EP 1423611A4 EP 02775701 A EP02775701 A EP 02775701A EP 02775701 A EP02775701 A EP 02775701A EP 1423611 A4 EP1423611 A4 EP 1423611A4
Authority
EP
European Patent Office
Prior art keywords
fully
free
controlled
piston engine
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02775701A
Other languages
German (de)
French (fr)
Other versions
EP1423611A1 (en
EP1423611B1 (en
Inventor
Charles L Gray Jr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
US Environmental Protection Agency
Original Assignee
US Environmental Protection Agency
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by US Environmental Protection Agency filed Critical US Environmental Protection Agency
Priority to EP05000548A priority Critical patent/EP1522692B1/en
Publication of EP1423611A1 publication Critical patent/EP1423611A1/en
Publication of EP1423611A4 publication Critical patent/EP1423611A4/en
Application granted granted Critical
Publication of EP1423611B1 publication Critical patent/EP1423611B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/003—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00 free-piston type pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
EP02775701A 2001-09-06 2002-08-13 Fully-controlled, free-piston engine Expired - Fee Related EP1423611B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05000548A EP1522692B1 (en) 2001-09-06 2002-08-13 Fully-controlled, free-piston engine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/946,824 US6582204B2 (en) 2001-09-06 2001-09-06 Fully-controlled, free-piston engine
US946824 2001-09-06
PCT/US2002/025529 WO2003023225A1 (en) 2001-09-06 2002-08-13 Fully-controlled, free-piston engine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP05000548A Division EP1522692B1 (en) 2001-09-06 2002-08-13 Fully-controlled, free-piston engine

Publications (3)

Publication Number Publication Date
EP1423611A1 EP1423611A1 (en) 2004-06-02
EP1423611A4 true EP1423611A4 (en) 2004-12-29
EP1423611B1 EP1423611B1 (en) 2008-07-09

Family

ID=25485039

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05000548A Expired - Fee Related EP1522692B1 (en) 2001-09-06 2002-08-13 Fully-controlled, free-piston engine
EP02775701A Expired - Fee Related EP1423611B1 (en) 2001-09-06 2002-08-13 Fully-controlled, free-piston engine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05000548A Expired - Fee Related EP1522692B1 (en) 2001-09-06 2002-08-13 Fully-controlled, free-piston engine

Country Status (9)

Country Link
US (2) US6582204B2 (en)
EP (2) EP1522692B1 (en)
JP (2) JP4255829B2 (en)
KR (1) KR100883473B1 (en)
CN (2) CN100594297C (en)
AU (1) AU2002341552B2 (en)
CA (1) CA2457790C (en)
DE (2) DE60227569D1 (en)
WO (1) WO2003023225A1 (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100781391B1 (en) * 2002-07-24 2007-11-30 인제대학교 산학협력단 Reciprocating pump utilized motor
US6882960B2 (en) * 2003-02-21 2005-04-19 J. Davis Miller System and method for power pump performance monitoring and analysis
US7004120B2 (en) * 2003-05-09 2006-02-28 Warren James C Opposed piston engine
RU2398120C2 (en) * 2005-02-24 2010-08-27 Джон У. Фитцджеральд Four-cylinder four-stroke ice with variable-stroke reciprocating piston and pre-mixed fuel mix compression initiated ignition
FR2884558A1 (en) * 2005-04-18 2006-10-20 Michel Desclaux Motor-compressor type internal combustion engine, has cylinder head assembly comprising inner cavity divided into two opposed double chambers by median partition wall, and piston freely displaced alternatively in assembly
WO2006124746A2 (en) * 2005-05-16 2006-11-23 Miller Davis J System and method for power pump performance monitoring and analysis
WO2006124006A2 (en) * 2005-05-20 2006-11-23 Ena Muhendislik Danismanlik Enerji Makina Ve Yelkapan Sanayi Ve Ticaret Ltd. Sti Wind turbine mechanism
CN100439654C (en) * 2005-07-20 2008-12-03 蔡学功 Internal combustion engine
CN100425878C (en) * 2006-02-27 2008-10-15 左学禹 Toggle-type ratchet transmission of crank-shaft engine
US8135534B2 (en) * 2006-07-26 2012-03-13 Langham J Michael Hydraulic engine
CN100425811C (en) * 2006-11-24 2008-10-15 张凡胜 Internal combustion engine
CN100520036C (en) * 2007-07-03 2009-07-29 清华大学深圳研究生院 Double group component hydraulic free-piston engine
GB2469279A (en) * 2009-04-07 2010-10-13 Rikard Mikalsen Linear reciprocating free piston external combustion open cycle heat engine
US8104436B2 (en) * 2009-05-01 2012-01-31 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Quasi free piston engine
CN101655034B (en) * 2009-09-25 2013-01-23 靳北彪 Fixed stopper point free piston engine
DE102010004808A1 (en) * 2010-01-18 2011-07-21 Robert Bosch GmbH, 70469 Valve controlled positive displacement machine
FR2956452B1 (en) * 2010-02-17 2012-04-06 Vianney Rabhi DOUBLE-EFFECT PISTON COMPRESSOR GUIDED BY A ROLLER AND DRIVEN BY A WHEEL AND CREMAILLERES
US20110221206A1 (en) * 2010-03-11 2011-09-15 Miro Milinkovic Linear power generator with a reciprocating piston configuration
GB2480461B8 (en) * 2010-05-19 2012-11-14 Univ Newcastle Free piston internal combustion engine
WO2011162734A1 (en) * 2010-06-24 2011-12-29 U.S. Environmental Protection Agency Quasi free piston engine
CN102155294A (en) * 2011-02-24 2011-08-17 张维 Engine structure
GB201205102D0 (en) * 2012-03-23 2012-05-09 Heatgen Ltd Combined heat and power
DE102012206123B4 (en) * 2012-04-13 2020-06-25 MTU Aero Engines AG Heat engine with free piston compressor
US20160376983A1 (en) * 2015-06-23 2016-12-29 Ricardo Daniel ALVARADO ESCOTO Highly efficient two-stroke internal combustion hydraulic engine with a torquing vane device incorporated.
EP3184255A1 (en) * 2015-12-22 2017-06-28 HILTI Aktiengesellschaft Combustion-driven setting tool and method for operating such a setting tool
US9657675B1 (en) 2016-03-31 2017-05-23 Etagen Inc. Control of piston trajectory in a free-piston combustion engine
CN106640370B (en) * 2016-11-08 2019-08-06 温后东 Magnetic suspension free piston type six-stroke generator, internal combustion engine and its control method
US10781770B2 (en) * 2017-12-19 2020-09-22 Ibrahim Mounir Hanna Cylinder system with relative motion occupying structure
CN108506090A (en) * 2018-06-05 2018-09-07 彭继朕 A kind of piston type generator
US20210290842A1 (en) * 2018-08-01 2021-09-23 Jacobsen Innovations, Inc. Pump
CN109098845A (en) * 2018-08-28 2018-12-28 安徽江淮汽车集团股份有限公司 A kind of horizontally-opposed free-piston type internal-combustion engine
CN110206590A (en) * 2019-05-23 2019-09-06 重庆海骏克科技有限公司 A kind of free plunger expanding machine and hydraulic power generating unit
US11486386B2 (en) * 2019-11-06 2022-11-01 Cummins Inc. Active control valve for a fluid pump
NL2024180B1 (en) * 2019-11-07 2021-07-20 Marnix Geert Luchienus Betting Combustion engine
CN111237021B (en) * 2020-01-13 2022-06-28 北京工业大学 Small-pressure-difference steam direct-driven high-supercharging-ratio working medium pump for organic Rankine cycle
CL2020002789A1 (en) * 2020-10-27 2021-03-26 Ernesto Gutzlaff Lillo Luis Three-stroke internal combustion engine with hydraulic motion transmission
CN113153867A (en) * 2021-01-12 2021-07-23 重庆科技学院 Free piston expansion type hydraulic power output system with counterweight mechanism
CN113047948B (en) * 2021-03-12 2022-08-05 哈尔滨工程大学 Free piston generator based on rigid connection
CN113047954B (en) * 2021-03-12 2021-10-15 哈尔滨工程大学 Free piston generator based on rigid synchronous transmission system
CN114856807B (en) * 2022-05-13 2023-11-10 天津职业技术师范大学(中国职业培训指导教师进修中心) Piston synchronizer of opposed free piston engine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2046442A1 (en) * 1970-09-21 1972-03-23 Ditscheid W Double acting piston pump
GB1332799A (en) * 1970-10-12 1973-10-03 Riekkinen As Hydraulic power unit including a hydraulic pump operated by a free piston internal combustion engine
US4128083A (en) * 1976-07-03 1978-12-05 Rudolf Bock Gas cushioned free piston type engine
US4369021A (en) * 1980-05-16 1983-01-18 Heintz Richard P Free-piston engine pump
US4876991A (en) * 1988-12-08 1989-10-31 Galitello Jr Kenneth A Two stroke cycle engine
EP0361927A1 (en) * 1988-09-29 1990-04-04 Artemis Intelligent Power Ltd. Pump control method and poppet valve therefor
EP1235012A2 (en) * 2001-02-22 2002-08-28 müller co-ax AG Coaxial valve

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1945924A1 (en) * 1969-09-11 1971-03-18 Lenger Karl Werner Free piston machine
US3818923A (en) * 1972-11-20 1974-06-25 Robertshaw Controls Co Fluid control device and method of making the same
IL46964A (en) * 1975-03-30 1977-06-30 Technion Res & Dev Foundation Hydrost atic transmission system
US4087205A (en) * 1975-08-01 1978-05-02 Heintz Richard P Free-piston engine-pump unit
US4435133A (en) * 1977-10-17 1984-03-06 Pneumo Corporation Free piston engine pump with energy rate smoothing
US4338892A (en) * 1980-03-24 1982-07-13 Harshberger Russell P Internal combustion engine with smoothed ignition
FR2488344B1 (en) * 1980-08-05 1985-12-27 Renault HYDRAULIC GENERATOR WITH FREE PISTON MOTOR
US4382748A (en) * 1980-11-03 1983-05-10 Pneumo Corporation Opposed piston type free piston engine pump unit
US4476681A (en) * 1982-03-02 1984-10-16 Mechanical Technology Incorporated Balance free-piston hydraulic pump
US4452396A (en) * 1982-05-26 1984-06-05 General Motors Corporation Fuel injector
US4579315A (en) * 1982-12-03 1986-04-01 Marotta Scientific Controls, Inc. Valve for fire suppression
US5144917A (en) * 1984-02-27 1992-09-08 Hammett Robert B Free-piston engine
US4815294A (en) * 1987-08-14 1989-03-28 David Constant V Gas turbine with external free-piston combustor
CN2136880Y (en) * 1988-09-11 1993-06-23 张友军 Free piston engine
CN2066496U (en) * 1989-10-20 1990-11-28 詹炳煌 Hydraulic two-stroke internal-combustion engine
CN2131989Y (en) * 1991-09-13 1993-05-05 雷良榆 Double action free piston-power locomotive crew
US5287827A (en) * 1991-09-17 1994-02-22 Tectonics Companies, Inc. Free piston engine control system
DE4141670C2 (en) * 1991-12-17 1994-09-29 Ott Kg Lewa Hydraulically driven diaphragm pump with diaphragm stroke limitation
US5239959A (en) * 1992-06-22 1993-08-31 Loth John L Isolated combustion and diluted expansion (ICADE) piston engine
US5555869A (en) * 1993-08-27 1996-09-17 Yamaha Hatsudoki Kabushiki Kaisha Multi-valve engine
US5540194A (en) * 1994-07-28 1996-07-30 Adams; Joseph S. Reciprocating system
US5535715A (en) * 1994-11-23 1996-07-16 Mouton; William J. Geared reciprocating piston engine with spherical rotary valve
CZ330497A3 (en) * 1995-04-20 1998-05-13 Split Cycle Technology Limited Engine with a free piston
US5678522A (en) * 1996-07-12 1997-10-21 Han; William Free piston internal combustion engine
US6035637A (en) 1997-07-01 2000-03-14 Sunpower, Inc. Free-piston internal combustion engine
US5775273A (en) 1997-07-01 1998-07-07 Sunpower, Inc. Free piston internal combustion engine
DE19729788A1 (en) * 1997-07-11 1999-01-14 Bosch Gmbh Robert Radial piston pump for high-pressure fuel supply
DE19744577A1 (en) * 1997-10-09 1999-04-22 Bosch Gmbh Robert Radial piston pump for high pressure fuel supply in motor vehicles
DE19826339A1 (en) * 1998-06-12 1999-12-16 Bosch Gmbh Robert Valve for controlling liquids
US6044815A (en) * 1998-09-09 2000-04-04 Navistar International Transportation Corp. Hydraulically-assisted engine valve actuator
US6135080A (en) * 1998-12-14 2000-10-24 Kallina; Henry D. Valve guide system and method
JP2003524727A (en) * 1999-11-24 2003-08-19 マネスマン レクソロート アクチェンゲゼルシャフト Free piston engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2046442A1 (en) * 1970-09-21 1972-03-23 Ditscheid W Double acting piston pump
GB1332799A (en) * 1970-10-12 1973-10-03 Riekkinen As Hydraulic power unit including a hydraulic pump operated by a free piston internal combustion engine
US4128083A (en) * 1976-07-03 1978-12-05 Rudolf Bock Gas cushioned free piston type engine
US4369021A (en) * 1980-05-16 1983-01-18 Heintz Richard P Free-piston engine pump
EP0361927A1 (en) * 1988-09-29 1990-04-04 Artemis Intelligent Power Ltd. Pump control method and poppet valve therefor
US4876991A (en) * 1988-12-08 1989-10-31 Galitello Jr Kenneth A Two stroke cycle engine
EP1235012A2 (en) * 2001-02-22 2002-08-28 müller co-ax AG Coaxial valve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03023225A1 *

Also Published As

Publication number Publication date
EP1522692A1 (en) 2005-04-13
CA2457790A1 (en) 2003-03-20
KR100883473B1 (en) 2009-02-16
JP4255829B2 (en) 2009-04-15
CN1975128A (en) 2007-06-06
EP1423611A1 (en) 2004-06-02
DE60227569D1 (en) 2008-08-21
JP2009002349A (en) 2009-01-08
CN1322230C (en) 2007-06-20
US6582204B2 (en) 2003-06-24
CA2457790C (en) 2011-02-08
US6652247B2 (en) 2003-11-25
WO2003023225B1 (en) 2003-07-24
CN100594297C (en) 2010-03-17
CN1571884A (en) 2005-01-26
WO2003023225A1 (en) 2003-03-20
US20030044293A1 (en) 2003-03-06
US20030124003A1 (en) 2003-07-03
JP2005502814A (en) 2005-01-27
DE60227537D1 (en) 2008-08-21
EP1522692B1 (en) 2008-07-09
AU2002341552B2 (en) 2007-06-21
JP4608569B2 (en) 2011-01-12
KR20040033028A (en) 2004-04-17
EP1423611B1 (en) 2008-07-09

Similar Documents

Publication Publication Date Title
EP1423611A4 (en) Fully-controlled, free-piston engine
EP1467159A4 (en) Stirling engine
GB0116450D0 (en) Reciprocating Piston Engines
EP1359310A4 (en) Gas engine
GB0103522D0 (en) Reciprocating Engines
GB2396665B (en) Stationary regenerator, regenerated, reciprocating engine
AU2002213826A1 (en) Reciprocating piston engine
GB0115516D0 (en) Reciprocating piston engine
GB0118590D0 (en) Engine operation
GB2361759B (en) Reciprocating piston engine
IL143267A0 (en) Rotary piston engine
GB0109977D0 (en) Reciprocating piston engine
AU2002339155A8 (en) Magnetic-powered engine
GB0019779D0 (en) Reciprocating piston engine
HU0104362D0 (en) Piston engine
TW482248U (en) Structure improvement for two stroke engine
CA93123S (en) Engine case
IL143269A0 (en) Rotary piston engine
GB0029591D0 (en) Single stroke engine
GB0130253D0 (en) Zambo engine
GB0110554D0 (en) Engine
GB0117249D0 (en) Engine
GB0109360D0 (en) The single stroke jet engine
GB0114124D0 (en) Flipfly search engine
GB0103565D0 (en) Reciprocating piston engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040202

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

RIC1 Information provided on ipc code assigned before grant

Ipc: 7F 04B 19/00 B

Ipc: 7F 02B 71/00 A

RIC1 Information provided on ipc code assigned before grant

Ipc: 7F 02B 71/00 A

Ipc: 7F 16K 31/00 B

Ipc: 7F 04B 19/00 B

A4 Supplementary search report drawn up and despatched

Effective date: 20041110

17Q First examination report despatched

Effective date: 20050218

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60227537

Country of ref document: DE

Date of ref document: 20080821

Kind code of ref document: P

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20090414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080709

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081009

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20110831

Year of fee payment: 10

Ref country code: FR

Payment date: 20110811

Year of fee payment: 10

Ref country code: GB

Payment date: 20110722

Year of fee payment: 10

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20120813

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20130430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130301

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120813

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120831

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60227537

Country of ref document: DE

Effective date: 20130301